Granted Patent
Utility
US 5,242,985 · App. 07/899,964
Aqueous stable complex of a strongly swellable, moderately crosslinked polyvinylpyrrolidone and iodine
Inventors:
Jenn S. Shih, John J. Merianos
Patented Case
View Patent ↗
Granted: Sep 7, 1993
Filed: Jun 17, 1992
Inventors
Jenn S. Shih
John J. Merianos
Assignee (at issue)
ISP INVESTMENTS LLC
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.